| Clue | Source | Date |
|---|---|---|
| They may relax in tiny hammocks | New York Times | 05 Apr 2023 |
| Rodents on wheels, perhaps | LA Times Daily | 16 Jan 2022 |
| Loved cheese lovers? | The Washington Post | 29 May 2021 |
| Loved cheese lovers? | LA Times Daily | 29 May 2021 |
| Some running wheel users | Newsday | 10 Mar 2018 |
| Inadvisable acquisitions for cat owners | ||
| Rodents on wheels, perhaps | LA Times Daily | 21 Oct 2017 |
| Rodents on wheels, perhaps | The Washington Post | 21 Oct 2017 |
| Rodents on wheels, perhaps | ||
| Treadmill runners, maybe |